Clean Lakes Program: Cedar - Lagrange County

 

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Indiana Clean Lakes Program Lake Report

Cedar

  

Lagrange County

1989

          
Sample Location: Deep Hole
Sample Date: 1989-07-26
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1989
9.1
1.8
62
25.5
111
7.6
6.7
450
490
176
229
0.005
0.005
0.022
0.025
1.184
0.274
0.281
0.948
0.801
1.443
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
28
27
24.5
24
23.5
22
19
DO (mg/L)
8.5
8.9
8.5
7.9
5.8
2.3
0.1
                                                                           
% Water Column Oxic: 85.7
  
Blue-Green Dominance (% of NU): 48
  
          Carlson TSI: 51
                    Indiana TSI: 9
                                                                           
Blue-Greens (#/L): 2263   Greens (#/L): 1365   Diatoms (#/L): 307   Other Algae (#/L): 421   Rotifers (#/L): 338   Zooplankton (#/L): 0
 
 

1993

          
Sample Location: Deep Hole
Sample Date: 1993-07-06
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
1993
9.1
2.4
42
23
98
8.2
7.6
475
440
163.3
180.3
0.01
0.01
0.085
0.102
1.72
1.795
1.291
0.163
0.173
0.23
0.404
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
25.5
25.5
25.5
25.5
23.5
22
20.5
19
18
17
DO (mg/L)
8.4
8.3
8.3
8.3
10.2
9.9
9.4
7.8
4.8
0.1
                                                                           
% Water Column Oxic: 85.4
  
Blue-Green Dominance (% of NU): 60
  
          Carlson TSI: 50
                    Indiana TSI: 19
                                                                           
Blue-Greens (#/L): 1099   Greens (#/L): 73   Diatoms (#/L): 232   Other Algae (#/L): 256   Rotifers (#/L): 163   Zooplankton (#/L): 0
 
 

2000

          
Sample Location: Deep Hole
Sample Date: 2000-07-05
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2000
9.1
1.6
27.5
23.5
89
8.4
7.8
488.3
454.6
142
180
0.01
0.005
0.03
0.041
0.98
0.579
0.297
0.432
0.735
1.14
1.596
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
28.7
28.2
27.5
26.8
26
25.2
23.8
22.2
19.5
18.1
16.8
DO (mg/L)
7.6
7.24
7.11
7.72
7.84
7.77
7.47
6.97
3.3
0.63
0.28
                                                                           
% Water Column Oxic: 89
  
Blue-Green Dominance (% of NU): 17
  
          Carlson TSI: 45
                    Indiana TSI: 11
                                                                           
Blue-Greens (#/L): 226   Greens (#/L): 34   Diatoms (#/L): 86   Other Algae (#/L): 917   Rotifers (#/L): 77   Zooplankton (#/L): 19.4
 
 

2003

          
Sample Location: Deep Hole
Sample Date: 2003-07-01
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2003
9.4
2.7
35
26
114
8.3
7.7
468.4
426.5
150
188
0.01
0.01
0.016
0.026
0.38
0.577
0.18
0.285
0.772
0.959
1.469
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
24.7
24.7
24.6
24.6
24.2
23.9
22
14.9
18.2
16.7
15.9
DO (mg/L)
9.7
9.4
9.4
9.5
9.1
8.9
11.8
12.6
7.8
1.7
0
                                                                           
% Water Column Oxic: 84.7
  
Blue-Green Dominance (% of NU): 10
  
          Carlson TSI: 37
                    Indiana TSI: 9
                                                                           
Blue-Greens (#/L): 492   Greens (#/L): 23   Diatoms (#/L): 1255   Other Algae (#/L): 3263   Rotifers (#/L): 64   Zooplankton (#/L): 8.2
 
 

2009

          
Sample Location: Deep Hole
Sample Date: 2009-07-14
Year
Max Depth
(m)
Secchi
(m)
Light 3'
(%)
1% Light Level
(ft)
DO @5'
(%)
pH
Epi
pH
Hypo
Cond
Epi
Cond
Hypo
Alk
Epi
Alk
Hypo
SRP
Epi
SRP
Hypo
TP
Epi
TP
Hypo
Chl-a
(ug/L)
NO3
Epi
NO3
Hypo
NH3
Epi
NH3
Hypo
TKN
Epi
TKN
Hypo
2009
9.14
3.3
27.89
27.88
117.1
8.4
7.5
420.1
491.7
144.5
201
0.01
0.01
0.011
0.021
1.18
0.467
0.109
0.084
0.305
0.679
0.793
Depth (m)
 0 
 1 
1.5
 2 
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Temp (oC)
24.7
24.8
24.8
24.8
24.6
24.5
23.6
22.5
20.7
18.1
16.8
DO (mg/L)
9.9
9.9
9.8
9.8
9.6
9.4
7.5
3.5
1.4
0.47
0.21
                                                                           
% Water Column Oxic: 65.64
  
Blue-Green Dominance (% of NU): 63.1
  
          Carlson TSI: 38
                    Indiana TSI: 18
                                                                           
Blue-Greens (#/L): 2122   Greens (#/L): 243   Diatoms (#/L): 40   Other Algae (#/L): 849   Rotifers (#/L): 61   Zooplankton (#/L): 46.9
 
 

 

In 2011 CLP changed plankton sampling methods, thus the Indiana TSI is no longer calculated.
Epi
 Epilimnion
Alk
 Alkalinity (mg CaCO3/L)
DO
 Dissolved Oxygen (mg/L)
NH3
 Ammonia (mg-N/L)
SRP
 Soluable Reactive Phosphorus (mg-P/L)
Hypo
 Hypolimnion
Chl-a
 Chlorophyll-a (ug/L)
Light 3'
 Percent light penetration at 3ft
NO3
 Nitrate (mg-N/L)
TP
 Total Phosphorus (mg-P/L)
   
Cond
 Conductivity
1% Light Level
 Depth of the 1% light level (ft)
TKN
 Total Kjeldahl Nitrogen (mg-N/L)
Temp
 Temperature (oC)